ConfX created HDFS-17449: ---------------------------- Summary: Ill-formed decommission host name and port pair would trigger IndexOutOfBound error Key: HDFS-17449 URL: https://issues.apache.org/jira/browse/HDFS-17449 Project: Hadoop HDFS Issue Type: Bug Reporter: ConfX
h2. What happened: Got IndexOutOfBound when trying to run org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatusWithBackoffMonitor#testDecommissionStatusAfterDNRestart with namenode host provider set to org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager. h2. Buggy code: In HostsFileWriter.java: {code:java} String[] hostAndPort = hostNameAndPort.split(":"); // hostNameAndPort might be invalid dn.setHostName(hostAndPort[0]); dn.setPort(Integer.parseInt(hostAndPort[1])); // here IndexOutOfBound might be thrown dn.setAdminState(AdminStates.DECOMMISSIONED);{code} h2. StackTrace: {code:java} java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1 at org.apache.hadoop.hdfs.util.HostsFileWriter.initOutOfServiceHosts(HostsFileWriter.java:110){code} h2. How to reproduce: (1) Set {{dfs.namenode.hosts.provider.classname}} to {{org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager}} (2) Run test: {{org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatusWithBackoffMonitor#testDecommissionStatusAfterDNRestart}} -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org